Coolant issue

[tassie wombat]

Gday all, about a month ago I gave the wagon a bit of a birthday and replaced the rubber hose that goes from below the thermostat housing to the bottom of the expansion tank, and also replaced the water pump. Since doing these 2 things I'm constantly topping up the expansion tank ( where the recovery cap goes) and the autron temp gauge seem to fluctuate more than it used to ( not over heating) what's everyone's thought?? I keep thinking that there may be air stuck in there somewhere?? Its an '04 td42, and I've just done over 4000ks over the last 2 weeks, from Tassie to coffs harbor via Dubbo, then back down the coast, I'd have thought that any air would have come out by now??Thanks in advance.

[MB]

G’day mate, in regards bleeding the system they do like to have the front end raised a bit to assist. (Gutter parked or jacked up) I also have used a 1.25L upside down 1/2 Coke bottle and some tape to snuggly fit the radiator for filling. Keeps the water filling level higher and you can watch the bleed occurring easier. Cheers!
EDIT: 50/50 Bursons own brand green coolant seems to work fine for ours.


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[tassie wombat]

Thanks for that mate, I used a "no spill funnel when I re filled with coolant which sits up fairly high? http://www.nissanpatrol.com.au/forums/images/imported/2018/10/213.jpg

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[MB]

Sweet, bit fancier than my Coke bottle mate although not sure if it is a sealed connection to trickle raised coolant in with each burp over say 30mins.
The raising of the vehicles front end apparently helps sneaky hidden pockets of air work their way out too.


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[tassie wombat]

I'll try jacking the front up and rather than having the funnel on the expansion tank ,I'll put it directly on the radiator.

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[MB]

Yep, that’s the go mate, fingers crossed for ya it’s an easy fix hopefully. Please do keep us posted on outcome, others better will surely assist if it’s not solved. Cheers!


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[tassie wombat]

Thanks mate 👍

[mudski]

Get onto eBay and buy a coolant bleeder. I think they are around $30 or so. Best thing I have in my shed. Use it heaps.


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[tassie wombat]

Get onto eBay and buy a coolant bleeder. I thought no they are around $30 or so. Best thing I have in my shed. Use it heaps.


Sent from my crapPhone using TapatalkThanks mate I'll have a look[emoji106]

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[tassie wombat]

Judt had a look on Ebay and the only thing I could find in regards to a coolant bleeder were bleeder screws ?

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[mudski]

Judt had a look on Ebay and the only thing I could find in regards to a coolant bleeder were bleeder screws ?

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This is what I bought.
https://www.ebay.com.au/itm/Auto-Coolant-Water-Cooling-Fluid-Bleed-Refill-Fill-Filling-Cone-Funnel-Tool-Set/112017238324?hash=item1a14bf6934:g:QmcAAOSwGy5Y8G8 D:rk:44:pf:0
Can't remember if this is what I paid but it works a treat.

[4bye4]

This is what I bought.
https://www.ebay.com.au/itm/Auto-Coolant-Water-Cooling-Fluid-Bleed-Refill-Fill-Filling-Cone-Funnel-Tool-Set/112017238324?hash=item1a14bf6934:g:QmcAAOSwGy5Y8G8 D:rk:44:pf:0
Can't remember if this is what I paid but it works a treat.

I have one of these also. Good unit


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[tassie wombat]

Thanks for that 🍻

[MB]

FFS, please do think of our children!
Pre-Loved Coke bottles & Gaffer/a tape, are truly carbon neutral off a 4.2TD and or 6.5Chev plant ;-) !


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[Hodge]

The yellow spill free funnel kit I've used for a long time in conjunction with uphill theory on my TD42 . Works great.
Bit easier on mine as it's got the self bleeding 2 side tank setup. So it gets rid of small remnants of air on its own after initial major bubble bleed.

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[tassie wombat]

I've never had any trouble before until now, I tried again yesterday arvo, put front on ramps, and started with funnel on radiator then moved it to the Recovery bottle, didn't see any huge amounts of bubbles come out ?
The yellow spill free funnel kit I've used for a long time in conjunction with uphill theory on my TD42 . Works great.
Bit easier on mine as it's got the self bleeding 2 side tank setup. So it gets rid of small remnants of air on its own after initial major bubble bleed.

Sent from my SM-N920I using Tapatalkhttp://www.nissanpatrol.com.au/forums/images/imported/2018/10/221.jpg

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[mudski]

I've never had any trouble before until now, I tried again yesterday arvo, put front on ramps, and started with funnel on radiator then moved it to the Recovery bottle, didn't see any huge amounts of bubbles come out ?http://www.nissanpatrol.com.au/forums/images/imported/2018/10/221.jpg

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your supposed to bleed your setup from the pressure tank on the lhs of the engine bay. you need to bleed the entire system right up to there. Its different for the earlier Patrols that dont have this tank.

[tassie wombat]

I've had the funnel on both the radiator and the expansion tank [emoji106]

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[mudnut]

Easier and cheaper than the ebay one, if you have a spare radiator cap. Just remember to disconnect the over flow hose off at the over flow bottle Lift it up and tape it to the burping bottle. This is so the excess water doesn't over fill the overflow bottle. I use the hose to drain the excess into a container after the burping is done.

I used a door stop, bottle, hose clamp, piece of 1/2 inch pipe, a rubber washer and the old cap. Simples.

[tassie wombat]

Bit of an Update- looks like whatever air that was trapped ,is now gone,temp gauge is now fairly stable and sits between 75.c and 80.c with the new fan and hub.

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